The California group claimed that hundreds of Facebook and Instagram accounts targeted Internet users in different parts of the world.
Facebook fights against manipulation on its network. The group said on Monday it had blocked four public manipulation operations, led by groups posing as users of the social network and backed by states, Iran and Russia.
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The California group claimed that hundreds of Facebook and Instagram accounts, run by these manipulation campaigns, targeted Internet users in different parts of the world, including the United States, North Africa and Latin America.
"Fool other accounts"
"These campaigns created networks of accounts to deceive other accounts about their identity and business, and we shared our findings with police, lawmakers, and our industry partners," said Nathaniel Gleicher, head of cybersecurity at Facebook. We ended these campaigns because of their misleading attitude, not because of the content they shared.
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The technology giant has detected these operations as part of its ongoing effort to ensure the integrity of the US elections of 2020. Three of them were orchestrated from Iran and the fourth from Russia.
One of the Russian groups shared publications via fake accounts, supposedly representing different political currents and addressing topics such as "American elections, environmental issues, racial tensions, LGBT issues, Confederate ideas, conservatism and liberalism ", listed Nathaniel Gleicher.
Fight against manipulation
In the run-up to the 2020 presidential election in the United States, Facebook is seeking to strengthen the fight against manipulation attempts on its various platforms.
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The boss and co-founder of the social network, Mark Zuckerberg, announced Monday that his company was now better prepared to respond to attacks orchestrated by states.
Starting next month, Facebook plans to tell its users the messages from state media.
Facebook was heavily criticized for failing to block manipulation campaigns during major elections in 2016, including the US presidential election.